DUMA is a acronym for the common phrase "Dick up my ass". Another Variation to DUMA is DUTA meaning "Dick up the ass". These can be used when exclaiming your mood to other people(Refer to Example) or when talking about your sexual encounters with out people. Most common uses of DUMA or DUTA will probably be when yelling out a cuss word like Fuck, but instead of Fuck you would use DUMA. Essentially it's a type of profanity in some cases.
Here is a example of DUMA being used in a sentence.
Tom: "How are you today Jerry?"
Jerry: Feeling like someone stuck a DUMA and I'm kinda annoyed right now."
Tom: "How are you today Jerry?"
Jerry: Feeling like someone stuck a DUMA and I'm kinda annoyed right now."
by Weltlek June 11, 2018
Get the DUMAmug. 
Get the dumamug. by I use dictionaries June 10, 2021
Get the Dumasmug.